import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:flutter_svg/avd.dart';
import 'package:flutter_svg/flutter_svg.dart';
import 'package:svg_test/MyPainter.dart';
import 'package:flutter/rendering.dart';

void main() => runApp(MyApp());




class MyApp extends StatelessWidget {
  // This widget is the root of your application.
  @override
  Widget build(BuildContext context) {

    return MaterialApp(
      title: 'Flutter Demo',
      theme: ThemeData(
        // This is the theme of your application.
        //
        // Try running your application with "flutter run". You'll see the
        // application has a blue toolbar. Then, without quitting the app, try
        // changing the primarySwatch below to Colors.green and then invoke
        // "hot reload" (press "r" in the console where you ran "flutter run",
        // or simply save your changes to "hot reload" in a Flutter IDE).
        // Notice that the counter didn't reset back to zero; the application
        // is not restarted.
        primarySwatch: Colors.blue,
      ),
      home: MyHomePage(title: 'Flutter Demo Home Page'),
    );
  }
}

class MyHomePage extends StatefulWidget {
  MyHomePage({Key key, this.title}) : super(key: key);

  // This widget is the home page of your application. It is stateful, meaning
  // that it has a State object (defined below) that contains fields that affect
  // how it looks.

  // This class is the configuration for the state. It holds the values (in this
  // case the title) provided by the parent (in this case the App widget) and
  // used by the build method of the State. Fields in a Widget subclass are
  // always marked "final".

  final String title;

  @override
  _MyHomePageState createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  int _counter = 0;

   Widget buildSvg(){
    final String assetName = 'images/ic_location.xml';
    final AvdPicture svg = AvdPicture.asset(
        assetName
    );
    return svg;
  }


  @override
  Widget build(BuildContext context) {
    // This method is rerun every time setState is called, for instance as done
    // by the _incrementCounter method above.
    //
    // The Flutter framework has been optimized to make rerunning build methods
    // fast, so that you can just rebuild anything that needs updating rather
    // than having to individually change instances of widgets.
    return Scaffold(
      appBar: AppBar(
        // Here we take the value from the MyHomePage object that was created by
        // the App.build method, and use it to set our appbar title.
        title: Text(widget.title),
      ),
      body:StadiumsMap()
      );

  }



}

class StadiumsMap extends StatefulWidget{

  @override
  State<StatefulWidget> createState() {
    return _StadiumsMapState();
  }

}

class _StadiumsMapState extends State<StadiumsMap>{

  MyPainter myPainter;

  DrawableRoot drawableRoot;

  final GlobalKey paintKey = new GlobalKey();

  @override
  void initState() {
    super.initState();
    Future<String> futureData = rootBundle.loadString('images/battery_charging.xml');
    futureData.then((value)=>handleValue(value));
  }


  @override
  Widget build(BuildContext context) {
    debugPaintSizeEnabled = true;
    return GestureDetector(
      onTapUp: (TapUpDetails details){
        onTap(context,details);
      },

      onDoubleTap: (){

      },

      child: CustomPaint(
          size: Size(200,200),
          key:paintKey,
          painter:MyPainter(drawableRoot)
      ),
    );

      ;
  }

  handleValue(String value) {
    DrawableRoot drawableRoot = avd.fromAvdString(value, "test");
    this.drawableRoot = drawableRoot;
    setState(() {

    });
  }

  void onTap(BuildContext context, TapUpDetails details) {
    RenderBox getBox = paintKey.currentContext.findRenderObject();
    Offset globalPosition = details.globalPosition;
    Offset local= getBox.globalToLocal(globalPosition);
    if(drawableRoot!=null){
      for(Drawable drawable in drawableRoot.children){
        if(drawable is DrawableGroup) {
          for (Drawable child in drawable.children){
            var scaledOffset = local/8.33333333;
            if(child is DrawableShape){

              if(child.bounds.contains(scaledOffset)){
                child.newStyle = DrawableStyle(fill:  DrawablePaint(
                    PaintingStyle.fill,
                    color: Color(0xff00ff00)
                ));
                //end
                debugPrint("---Hit---");
              }else{
                child.newStyle = DrawableStyle(fill:  DrawablePaint(
                    PaintingStyle.fill,
                    color: Color(0xffff0000)
                ));
              }
            }
          }
        }
      }
      setState(() {

      });
    }



  }

}
